๐ŸŽ‚ Birthday Paradox ยท Sports
โ† All sports

Olympic Handball

Team

242 team lists ยท 4,359 player entries ยท avg team size 18.0

Read this sport as a comparison between raw coincidence and what team size alone predicts. Here, the real rate is +7.6 points above the birthday-paradox baseline.

Real team lists
42.1%
teams with shared birthdays
Why it matters: This is the headline rate, but it should never be read without team size.
Expected from size
34.5%
from avg team size
Why it matters: This is the fair baseline: what same-size random teams would do.
Gap from expected
+7.6 points
real โˆ’ expected
Why it matters: Positive means the sport has more birthday matches than size alone predicts.
Team lists
242
teams analysed
Why it matters: Enough team lists for a useful sport-level read.
What to notice: The best question on a sport page is not "is the real rate high?" but "is it high after accounting for team size?" That is what the gap card is answering.

Country comparison

Countries with the most team lists for Olympic Handball, charted by the share of teams with at least one shared birthday.

What to compare: This view is best for spotting sample-shape differences inside a sport. Among the highest-sample countries, EGY has the highest observed rate, with an average team size of 14.5.

Gender split inside this sport

Real and expected rates for labelled team lists in this sport.

Why it matters: The gender gap is mostly a team-size story. Women have the larger average team size here (20.1 athletes), so their birthday-match rate naturally rises.

By country

Top 40 countries by team-list count.

CountryTeam listsAvg playersReal
ESP1419.057.1%
HUN1418.128.6%
DEN1316.030.8%
SWE1219.033.3%
NOR1115.745.5%
KOR1123.345.5%
FRA1024.550.0%
GER1020.360.0%
BRA920.844.4%
ROU916.122.2%
EGY814.562.5%
ANG813.950.0%
ISL714.671.4%
USA720.671.4%
CRO617.250.0%
JPN618.533.3%
RUS616.833.3%
YUG523.060.0%
CHN516.420.0%
TUN514.620.0%
TCH517.860.0%
POL514.460.0%
SLO515.440.0%
URS424.875.0%
ARG418.825.0%
ALG413.525.0%
SUI414.825.0%
AUT416.50.0%
GDR417.825.0%
FRG319.766.7%
NED314.30.0%
MNE314.70.0%
CUB213.50.0%
EUN128.0100.0%
CIV113.00.0%
BRN116.00.0%
CAN128.0100.0%
AUS129.0100.0%
GBR128.0100.0%
KAZ114.00.0%
What to notice: Countries with larger average teams will naturally show more shared birthdays. The country list is most useful for finding which samples are driving this sport's overall rate.

By gender

Where the dataset records it.

GenderTeam listsRealExpectedGap
Women10750.5%40.8%+9.7 points
Men13535.6%29.6%+6.0 points

Sample team lists

Largest teams in the dataset.

TeamSeasonPlayersRepeatsExpected chance
GER Handball (1992 Summer) ยท GER1992 Summer32175.3%
USA Handball (1996 Summer) ยท USA1996 Summer32475.3%
FRA Handball (2016 Summer) ยท FRA2016 Summer31373.0%
FRA Handball (2020 Summer) ยท FRA2020 Summer31373.0%
JPN Handball (2020 Summer) ยท JPN2020 Summer31173.0%
ESP Handball (1992 Summer) ยท ESP1992 Summer30270.6%
ESP Handball (2004 Summer) ยท ESP2004 Summer30170.6%
GER Handball (1996 Summer) ยท GER1996 Summer30170.6%
YUG Handball (1988 Summer) ยท YUG1988 Summer30170.6%
BRA Handball (2004 Summer) ยท BRA2004 Summer30270.6%
What to notice: The sample team lists show the mechanics: once the player count gets large, the expected chance climbs quickly, and each repeat is another player landing on a date already present.